KR900012710A - Casting apparatus and method - Google Patents

Casting apparatus and method Download PDF

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Publication number
KR900012710A
KR900012710A KR1019900000851A KR900000851A KR900012710A KR 900012710 A KR900012710 A KR 900012710A KR 1019900000851 A KR1019900000851 A KR 1019900000851A KR 900000851 A KR900000851 A KR 900000851A KR 900012710 A KR900012710 A KR 900012710A
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KR
South Korea
Prior art keywords
valve
stem
chamber
valve member
inlet
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KR1019900000851A
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Korean (ko)
Inventor
램버트 데렉
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원본미기재
프라이스 메탈스 리미티드
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Publication of KR900012710A publication Critical patent/KR900012710A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00Pressure casting; Vacuum casting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D39/00Equipment for supplying molten metal in rations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D39/00Equipment for supplying molten metal in rations
    • B22D39/02Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by volume

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Valve Housings (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

내용 없음No content

Description

주조 장치 및 방법Casting apparatus and method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 주조 장치에 개략적 단면도.1 is a schematic cross-sectional view of a casting apparatus according to the present invention.

제2도는 변형된 밸브 및 감압 밸브를 갖는 변형 장치의 일부의 개략적 단면도.2 is a schematic cross-sectional view of a portion of a deforming device having a modified valve and a pressure reducing valve.

제3도는 밸브 및 그 밸브를 분배용 실린더에 접속하는 접속부를 세부적으로 보여주는 또다른 주조 장치의 일부의 단면도.3 is a cross-sectional view of a portion of another casting apparatus showing in detail the valve and the connection connecting the valve to the dispensing cylinder.

Claims (10)

사용시에 용융 금속(3)을 수용하는 가변 체적의 분배용 챔버(21)를 형성하는 분배기(4,5), 밸브 챔버(24)를 형성하는 하우징(23) 및 밸브 챔버와 분배용 챔버를 연통시키는 통로(7)를 가지고 있는, 또한, 용융 금속의 공급원(2)과 연통하는 유입구(8a)와 형틀(9)과 연통하는 유출구(8c) 및 밸브 챔버내에 배치된 밸브 부재(8d)를 갖고있는 밸브(8), 밸브를 유입구가 폐쇄되는 제1위치와 유출구가 폐쇄되는 제2위치 사이에서 이동시켜, 제1위치에서는, 밸브가 분배용 챔버를 금속 주조용 형틀과 연결시키고, 제2위치에서는, 밸브가 분배용 챔버를 용융 금속 공급원과 연결시켜 분배용 챔버를 재충만시키도록 밸브를 이동시키도록 선택적으로 작동가능한 작동장치(26)를 포함하며, 상기 밸브는, 유입구와 유출구를 각기 에워싸고 제1위치 및 제2위치에서 각기 밸브 부재의 제1 및 제2의 환형밀폐 표면(47,48)과 계합가능한 제1 및 제2의 환형시트를 포함하며, 상기 작동 장치는, 밸브 부재에 고정된 스템(25), 스템의 축방향 왕복 이동을 제공하도록 작동가능한 선형 작동기(27) 및 스템의 축방향 이동중에 각각의 시트와 밀폐 표면의 상대적 접촉 위치를 변경시키도록 스템을 회전시키는 회전장치(15)를 포함하는 주조장치(1,30).Dispensers 4 and 5 forming variable volume dispensing chambers 21 containing molten metal 3 in use, housing 23 forming valve chambers 24 and valve chambers communicating with dispensing chambers. It has an inlet 8a which communicates with the source 2 of molten metal, the outlet 8c which communicates with the mold 9, and the valve member 8d arrange | positioned in a valve chamber. Valve 8, which moves the valve between a first position at which the inlet is closed and a second position at which the outlet is closed, in which the valve connects the dispensing chamber with the metal casting mold, In the valve, the valve includes an actuator 26 that is selectively operable to move the valve to connect the dispensing chamber with a molten metal source to refill the dispensing chamber, wherein the valve surrounds the inlet and outlet respectively. Of the valve member in the first and second positions, A first and second annular seat engageable with the first and second annular sealing surfaces 47, 48, the actuating device being capable of axial reciprocating movement of the stem 25 fixed to the valve member; A casting device (1,30) comprising a linear actuator (27) operable to provide and a rotating device (15) for rotating the stem to change the relative contact position of each seat and the sealing surface during axial movement of the stem. 제1항에 있어서, 회전 장치가, 스템상에 회전가능하게 장축된 칼라(64), 스템이 제1방향으로 축방향 이동하는중에 칼라를 제1방향으로 회전시키고 스템이 역방향으로 축방향 이동하는 중에 칼라를 역방향으로 회전시키는 장치(65) 및 스템에 회전 이동을 일 방향으로만 전달하도록 칼라와 스템사이에서 작동가능한 톱니바퀴수단을 포함하는 주조장치.2. A rotating device according to claim 1, wherein the rotating device is a collar 64 rotatably elongated on the stem, the collar rotating in the first direction and the stem axially moving in the reverse direction while the stem is axially moving in the first direction. An apparatus (65) for rotating the collar in a reverse direction and a gear means operable between the collar and the stem to transmit rotational movement to the stem in only one direction. 제1항 또는 제2항에 있어서, 각각의 밀폐표면은 각각의 시트와 실제로 선접촉하도록 형상화되어 있는 주조장치.The casting apparatus according to claim 1 or 2, wherein each sealing surface is shaped to be in actual line contact with each sheet. 제3항에 있어서, 제1의 밀폐 표면 및 제2의 밀폐 표면 각각의 형상이 실제로 구의 한 호의 형상인 주조장치.4. The casting apparatus according to claim 3, wherein the shape of each of the first sealing surface and the second sealing surface is actually a shape of an arc of a sphere. 전기 항들중 어느 한 항에 있어서, 밸브 챔버가 챔버 벽(36)에 의해 형성되며, 챔버 벽들은, 밸브 부재가 제1위치와 제2위치 사이에서 이동하는 동안 밸브 부재의 축방향 정렬 상태를 유지하도록 챔버벽으로부터 돌출하여 밸브 부재와 미끄럼 접촉하는 원주방향으로 이격된 안내구(71)에 의해 밸브 부재로부터 이격되어 있는 주조장치.The valve chamber of claim 1, wherein the valve chamber is formed by a chamber wall 36, wherein the chamber walls maintain the axial alignment of the valve member while the valve member moves between the first and second positions. And a circumferentially spaced guide port (71) which protrudes from the chamber wall and is in sliding contact with the valve member. 제1항 내지 제5항중 어느 한 항에 있어서, 밸브 하우징은, 사용시에, 유입구가 유출구의 연직 상방에 위치하고 스템이 유입구를 통해서 연장하도록 배향되어 있는 주조장치.The casting apparatus according to any one of claims 1 to 5, wherein the valve housing, in use, is oriented such that the inlet is vertically above the outlet and the stem is oriented so as to extend through the inlet. 제6항에 있어서, 밸브 작동 장치의 작동을 멈추면 유출구가 자동적으로 폐쇄되도록 밸브 부재를 제2의 위치로 하방으로 편향시키는 수단(68)을 포함하는 주조장치.7. Casting device according to claim 6, comprising means (68) for downwardly biasing the valve member to a second position such that the outlet is automatically closed upon shutdown of the valve actuating device. 전기 항중 어느 한 항에 있어서, 밸브가, 밸브내의 금속의 압력을 예정된 한계까지 한정시키도록 작동가능한 감압 밸브(18)와 연통하는 또다른 포트(8c)를 포함하는 주조장치.A casting apparatus according to any of the preceding claims, wherein the valve comprises another port (8c) in communication with the pressure reducing valve (18) operable to limit the pressure of the metal in the valve to a predetermined limit. 전기항들중 어느 한 항에 있어서, 분배기가, 상호작동하는 피스톤(5)을 갖는 하나 이상의 실린더(4) 및 실린더에 의해 구성된 분배용 챔버의 체적을 변경시키도록 피스톤을 작동시키는 장치(22)를 포함하는 주조장치.Apparatus 22 according to any one of the preceding claims, wherein the distributor operates the piston to change the volume of the dispensing chamber constituted by the cylinder and one or more cylinders 4 having the reciprocating piston 5. Casting apparatus comprising a. 사용시에 용융 금속(3)을 수용하는 가변 체적의 분배용 챔버(21)를 형성하는 분배기(4,5), 밸브챔버(24)를 형성하는 하우징(23) 및 밸브 챔버가 분배용 챔버를 연통시키는 통로(7)를 가지고 있고, 또한, 용융 금속의 공급원(2)과 연통하는 유입구(8a)와 형틀(9)과 연통하는 유출구(8c) 및 밸브 챔버내에 배치된 밸브 부재(8d)를 갖고 있는 밸브(8), 밸브를 유입구가 폐쇄되는 제1위치와 유출구가 폐쇄되는 제2위치 사이에서 이동시켜, 제1위치에서는, 밸브가 분배용 챔버를 금속 주조용 형틀과 연결시키고, 제2위치에서는, 밸브가 분배용 챔버를 용융 금속 공급원과 연결시켜 분배용 챔버를 재충만시키도록 밸브를 이동시키도록 선택적으로 작동가능한 작동장치(26)를 포함하며, 상기 밸브는, 유입구와 유출구를 각기 에워싸고 제1위치 및 제2위치에서 각기 밸브 부재의 제1 및 제2의 환형 밀폐 표면(47,48)과 계합가능한 제1 및 제2의 환형 시트로 포함하며, 상기 작동 장치는, 밸브 부재에 고정된 스템(25), 스템의 축방향 왕복 이동을 제공하도록 작동가능한 선형 작동기(27) 및 스템을 회전시키도록 작동가능한 회전 장치(15)를 포함하는 주조장치(1,30)로 주조하는 방법으로서, 각각의 시트와 밀폐 표면들의 상대적 접촉 위치를 변경시키도록 밸브부재가 최소한 한 방향으로 축방향 이동 하는중에 밸브 부재를 밸브 하우징에 대해 회전시키는 단계를 포함하는 주조방법.Dispensers 4 and 5 forming variable volume dispensing chambers 21 containing molten metal 3 in use, housings 23 forming valve chambers 24 and valve chambers communicate dispensing chambers. Has an inlet 8a in communication with the source 2 of molten metal, an outlet 8c in communication with the mold 9, and a valve member 8d disposed in the valve chamber. Valve 8, which moves the valve between a first position at which the inlet is closed and a second position at which the outlet is closed, in which the valve connects the dispensing chamber with the metal casting mold, In the valve, the valve includes an actuator 26 that is selectively operable to move the valve to connect the dispensing chamber with a molten metal source to refill the dispensing chamber, wherein the valve surrounds the inlet and outlet respectively. Of the valve member in the first and second positions, And first and second annular seats engageable with the first and second annular sealing surfaces 47, 48, the actuating device being capable of axial reciprocating movement of the stem 25, which is fixed to the valve member. A method of casting with a casting device (1,30) comprising a linear actuator (27) operable to provide and a rotating device (15) operable to rotate a stem, wherein the relative contact position of each seat and the sealing surfaces is changed. Rotating the valve member relative to the valve housing while the valve member is axially moved in at least one direction. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900000851A 1989-02-01 1990-01-25 Casting apparatus and method KR900012710A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8902120.8 1989-02-01
GB898902120A GB8902120D0 (en) 1989-02-01 1989-02-01 Casting apparatus & method

Publications (1)

Publication Number Publication Date
KR900012710A true KR900012710A (en) 1990-09-01

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Application Number Title Priority Date Filing Date
KR1019900000851A KR900012710A (en) 1989-02-01 1990-01-25 Casting apparatus and method

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Country Link
US (1) US5082045A (en)
EP (1) EP0381486A3 (en)
JP (1) JPH02274356A (en)
KR (1) KR900012710A (en)
AU (1) AU622519B2 (en)
BR (1) BR9000439A (en)
CA (1) CA2009041A1 (en)
GB (2) GB8902120D0 (en)
ZA (1) ZA90722B (en)

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US5181551A (en) * 1991-09-25 1993-01-26 Electrovert Ltd. Double acting cylinder for filling dies with molten metal
IT1260341B (en) * 1992-05-26 1996-04-05 HOT CHAMBER DIE CASTING MACHINE FOR LIGHT ALLOYS
US5529110A (en) * 1994-07-25 1996-06-25 Nelson Metal Products Corporation Rotary actuated closed shot die casting
JPH10272550A (en) * 1997-03-31 1998-10-13 Ryobi Ltd Method for supplying molten metal and device for supplying molten metal
US6540008B1 (en) 1999-07-02 2003-04-01 Alcoa Inc. Molten metal injector system and method
US6578620B1 (en) 1999-07-02 2003-06-17 Alcoa Inc. Filtering molten metal injector system and method
AU2001234385A1 (en) * 2000-11-07 2002-05-21 Alcoa Inc. Molten metal injector system and method
WO2002038313A1 (en) * 2000-11-09 2002-05-16 Alcoa Inc. Filtering molten metal injector system and method
DE102020207016A1 (en) * 2020-06-04 2021-12-09 Oskar Frech Gmbh + Co. Kg Casting unit for a die casting machine

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US3168225A (en) * 1961-03-06 1965-02-02 Chemetron Corp Valve arrangement for receptacle filling machines
US3184811A (en) * 1962-02-14 1965-05-25 Dow Chemical Co Metering and delivery apparatus for molten metal and method of use
CH430070A (en) * 1964-09-23 1967-02-15 Buehler Ag Geb Cold chamber die casting machine
US3581767A (en) * 1969-07-01 1971-06-01 Dow Chemical Co Coupling means for connecting molten metal transporting lines
CA1107030A (en) * 1977-12-01 1981-08-18 Guido Perrella Die-casting machine
JPS61259864A (en) * 1985-05-10 1986-11-18 Ak Sangyo Kk Automatic pouring device for aluminum furnace for small-sized die casting machine
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GB8912899D0 (en) * 1989-06-05 1989-07-26 Frys Metals Ltd Casting apparatus

Also Published As

Publication number Publication date
EP0381486A2 (en) 1990-08-08
US5082045A (en) 1992-01-21
GB2228223B (en) 1992-07-29
AU622519B2 (en) 1992-04-09
BR9000439A (en) 1991-01-15
ZA90722B (en) 1991-01-30
JPH02274356A (en) 1990-11-08
GB2228223A (en) 1990-08-22
EP0381486A3 (en) 1991-05-02
CA2009041A1 (en) 1990-08-01
AU4896290A (en) 1990-08-09
GB9002281D0 (en) 1990-03-28
GB8902120D0 (en) 1989-03-22

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